static int display_add_line(pool *p, const char *resp_code,
const char *resp_msg) {
/* Handle the case where the data to Display might contain only one line. */
if (first_msg_sent == FALSE &&
first_msg == NULL) {
first_msg = pstrdup(p, resp_msg);
return 0;
}
if (first_msg != NULL) {
pr_response_send_raw("%s-%s", resp_code, first_msg);
first_msg = NULL;
first_msg_sent = TRUE;
prev_msg = pstrdup(p, resp_msg);
return 0;
}
if (prev_msg != NULL) {
if (session.multiline_rfc2228) {
pr_response_send_raw("%s-%s", resp_code, prev_msg);
} else {
pr_response_send_raw(" %s", prev_msg);
}
}
prev_msg = pstrdup(p, resp_msg);
return 0;
}
int proxy_ftp_ctrl_send_resp(pool *p, conn_t *ctrl_conn, pr_response_t *resp,
unsigned int resp_nlines) {
pool *curr_pool;
(void) ctrl_conn;
pr_trace_msg(trace_channel, 9,
"backend->frontend response: %s%s%s", resp->num,
resp_nlines == 1 ? " " : "", resp->msg);
curr_pool = pr_response_get_pool();
if (curr_pool == NULL) {
pr_response_set_pool(p);
}
if (resp_nlines > 1) {
pr_response_send_raw("%s%s", resp->num, resp->msg);
} else {
pr_response_send(resp->num, "%s", resp->msg);
}
pr_response_set_pool(curr_pool);
return 0;
}
static int display_flush_lines(pool *p, const char *resp_code, int flags) {
if (first_msg != NULL) {
if (session.auth_mech != NULL) {
if (flags & PR_DISPLAY_FL_NO_EOM) {
pr_response_send_raw("%s-%s", resp_code, first_msg);
} else {
pr_response_send_raw("%s %s", resp_code, first_msg);
}
} else {
/* There is a special case if the client has not yet authenticated; it
* means we are handling a DisplayConnect file. The server will send
* a banner as well, so we need to treat this is the start of a multiline
* response.
*/
pr_response_send_raw("%s-%s", resp_code, first_msg);
}
} else {
if (prev_msg) {
if (session.multiline_rfc2228) {
pr_response_send_raw("%s-%s", resp_code, prev_msg);
} else {
if (flags & PR_DISPLAY_FL_NO_EOM) {
pr_response_send_raw(" %s", prev_msg);
} else {
pr_response_send_raw("%s %s", resp_code, prev_msg);
}
}
}
}
/* Reset state for the next set of lines. */
first_msg_sent = FALSE;
first_msg = NULL;
prev_msg = NULL;
return 0;
}
